64486665

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 124723200

約数和(自身を除く): 60236535

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 465, 513, 589, 811, 837, 855, 1395, 1767, 2433, 2565, 2945, 4055, 4185, 5301, 7299, 8835, 12165, 15409, 15903, 21897, 25141, 26505, 36495, 46227, 75423, 77045, 79515, 109485, 125705, 138681, 226269, 231135, 377115, 416043, 477679, 678807, 693405, 1131345, 1433037, 2080215, 2388395, 3394035, 4299111, 7165185, 12897333, 21495555, 64486665]

約数ペア:

[(1, 64486665), (3, 21495555), (5, 12897333), (9, 7165185), (15, 4299111), (19, 3394035), (27, 2388395), (31, 2080215), (45, 1433037), (57, 1131345), (93, 693405), (95, 678807), (135, 477679), (155, 416043), (171, 377115), (279, 231135), (285, 226269), (465, 138681), (513, 125705), (589, 109485), (811, 79515), (837, 77045), (855, 75423), (1395, 46227), (1767, 36495), (2433, 26505), (2565, 25141), (2945, 21897), (4055, 15903), (4185, 15409), (5301, 12165), (7299, 8835)]